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The information you want should be in that article from MAS. You should also be able to see the file in the root of C:. The settings for the swap file are also accessible in Virtual Memory under System Properties, Advanced, Performance Settings.

However if you don't already, you really should have your Exchange database on a different drive from the operating system.

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That's just best practice to have your data on a separate drive from your OS. It really doesn't answer your question, but if you move the Exchange database to a different drive, you would definitely get space back. And really it's best to let windows manage the size of your swap file anyway.

Perhaps it would be better to use a program like treesize to see where your space is getting used up.

pramod1Author Commented: 2017-11-22

so even the database is on another drive but page file is maintained by the exchange server which is on c drive , so if it goes less than 320mb

I'm not sure I understand what you are saying, but it sounds like you have already moved your database? So then like I said, you might be best to use a tool like Treesize or WinDirStat to see if there are other places where you can recover space.

pramod1Author Commented: 2017-11-22

database drives are presented to OS from external storage do we use shadow copy from server